EP3820599A4 - Devices and methods for water treatment - Google Patents
Devices and methods for water treatment Download PDFInfo
- Publication number
- EP3820599A4 EP3820599A4 EP19834637.1A EP19834637A EP3820599A4 EP 3820599 A4 EP3820599 A4 EP 3820599A4 EP 19834637 A EP19834637 A EP 19834637A EP 3820599 A4 EP3820599 A4 EP 3820599A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- methods
- devices
- water treatment
- treatment
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
- B01D67/0062—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/009—After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
- B01D71/0211—Graphene or derivates thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/62—Cutting the membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862696636P | 2018-07-11 | 2018-07-11 | |
PCT/US2019/041204 WO2020014359A1 (en) | 2018-07-11 | 2019-07-10 | Devices and methods for water treatment |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3820599A1 EP3820599A1 (en) | 2021-05-19 |
EP3820599A4 true EP3820599A4 (en) | 2022-04-13 |
Family
ID=69142756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19834637.1A Pending EP3820599A4 (en) | 2018-07-11 | 2019-07-10 | Devices and methods for water treatment |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210253455A1 (en) |
EP (1) | EP3820599A4 (en) |
CN (1) | CN112512671B (en) |
WO (1) | WO2020014359A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130270188A1 (en) * | 2012-03-15 | 2013-10-17 | Massachusetts Institute Of Technology | Graphene based filter |
US20150209734A1 (en) * | 2014-01-29 | 2015-07-30 | Gordon Chiu | Molecular Filter |
WO2016089055A1 (en) * | 2014-12-01 | 2016-06-09 | 고려대학교 산학협력단 | Nano separation membrane structure and method for manufacturing same |
WO2018100384A1 (en) * | 2016-11-30 | 2018-06-07 | The University Of Manchester | Water filtration |
US20180170002A1 (en) * | 2014-03-12 | 2018-06-21 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | A composite film including a graphene oxide coating layer, a porous polymer support including the same and a method for preparing the same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100323177A1 (en) * | 2007-05-14 | 2010-12-23 | Northwestern University | Graphene oxide sheet laminate and method |
FI122511B (en) * | 2009-02-26 | 2012-02-29 | Valtion Teknillinen | Graphene-containing flakes and procedure for exfoliating the graphene |
US9890043B2 (en) * | 2009-08-14 | 2018-02-13 | Northwestern University | Sorting two-dimensional nanomaterials by thickness |
US8361321B2 (en) * | 2010-08-25 | 2013-01-29 | Lockheed Martin Corporation | Perforated graphene deionization or desalination |
KR101926832B1 (en) * | 2012-09-28 | 2018-12-07 | 주식회사 엘지화학 | Separation membrane, method for preparing thereof, unit for purification, and their use |
US20140311967A1 (en) * | 2013-03-15 | 2014-10-23 | Massachusetts Institute Of Technology | Porous materials and methods including nanoporous materials for water filtration |
WO2015026848A2 (en) * | 2013-08-23 | 2015-02-26 | Energysolutions, Inc | Systems and methods for isotopic water separation |
WO2015116857A2 (en) * | 2014-01-31 | 2015-08-06 | Lockheed Martin Corporation | Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer |
US10456754B2 (en) * | 2014-08-08 | 2019-10-29 | University Of Southern California | High performance membranes for water reclamation using polymeric and nanomaterials |
CN105541328A (en) * | 2015-12-16 | 2016-05-04 | 无锡市惠诚石墨烯技术应用有限公司 | Graphene oxide based method for preparing highly oriented pyrolytic graphite film |
CN105854605B (en) * | 2016-05-19 | 2019-01-11 | 清华大学 | A kind of filter device of the filter membrane using two-dimentional micro Nano material |
US10014519B2 (en) * | 2016-08-22 | 2018-07-03 | Nanotek Instruments, Inc. | Process for producing humic acid-bonded metal foil film current collector |
US11547972B2 (en) * | 2017-07-24 | 2023-01-10 | Northeastern University | Porous membranes comprising nanosheets and fabrication thereof |
CA3101476A1 (en) * | 2018-06-25 | 2020-01-02 | 2599218 Ontario Inc. | Graphene membranes and methods for making graphene membranes |
-
2019
- 2019-07-10 US US17/259,413 patent/US20210253455A1/en active Pending
- 2019-07-10 WO PCT/US2019/041204 patent/WO2020014359A1/en unknown
- 2019-07-10 EP EP19834637.1A patent/EP3820599A4/en active Pending
- 2019-07-10 CN CN201980046636.0A patent/CN112512671B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130270188A1 (en) * | 2012-03-15 | 2013-10-17 | Massachusetts Institute Of Technology | Graphene based filter |
US20150209734A1 (en) * | 2014-01-29 | 2015-07-30 | Gordon Chiu | Molecular Filter |
US20180170002A1 (en) * | 2014-03-12 | 2018-06-21 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | A composite film including a graphene oxide coating layer, a porous polymer support including the same and a method for preparing the same |
WO2016089055A1 (en) * | 2014-12-01 | 2016-06-09 | 고려대학교 산학협력단 | Nano separation membrane structure and method for manufacturing same |
WO2018100384A1 (en) * | 2016-11-30 | 2018-06-07 | The University Of Manchester | Water filtration |
Also Published As
Publication number | Publication date |
---|---|
WO2020014359A1 (en) | 2020-01-16 |
US20210253455A1 (en) | 2021-08-19 |
CN112512671B (en) | 2023-06-30 |
EP3820599A1 (en) | 2021-05-19 |
CN112512671A (en) | 2021-03-16 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20210210 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220314 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C02F 1/44 20060101ALI20220308BHEP Ipc: B01D 69/10 20060101ALI20220308BHEP Ipc: B01D 61/02 20060101ALI20220308BHEP Ipc: B01D 67/00 20060101ALI20220308BHEP Ipc: B01D 69/12 20060101ALI20220308BHEP Ipc: B01D 71/02 20060101AFI20220308BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20230621 |